Zoom Suspension Seatpost made from sturdy 6061‑T6 aluminum alloy, this seat post includes a coil spring + elastomer damper that absorbs road vibrations and trail shocks—perfect for biking across city streets, rough gravel tours, or mountain trails 

Zoom Bike Suspension Seatpost: 27.2 / 30.9 / 31.6 x 350 mm Shock Absorber Damper Bicycle Seat for E-Bike MTB BMX

Features

• ZOOM Coil Spring Suspension Seatpost Ø27.2/30.9/31.6×350 mm (Diameter x Length).
• Bike Suspension Seat post features a progressive coil spring and elastomer to effectively absorb vibrations, enhancing rider riding comfort.
• Made from strong, lightweight 6061-T6 aluminum alloy, the bicycle seatpost improves durability and aesthetics with its one-piece body and anodized protective layer.
• Easy to install and maintain, this shock-absorbing seatpost is a great upgrade for various bikes including hardtails, gravel tourers, MTB, road, city, hybrid bikes, and e-bikes.